airflow 0119_2_5_0_add_updated_at_to_dagrun_and_ti 源码
airflow 0119_2_5_0_add_updated_at_to_dagrun_and_ti 代码
文件路径：/airflow/migrations/versions/0119_2_5_0_add_updated_at_to_dagrun_and_ti.py
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
"""Add updated_at column to DagRun and TaskInstance
Revision ID: ee8d93fcc81e
Revises: b0d31815b5a6
Create Date: 2022-09-08 19:08:37.623121
"""
from __future__ import annotations
import sqlalchemy as sa
from alembic import op
from airflow.migrations.db_types import TIMESTAMP
# revision identifiers, used by Alembic.
revision = 'ee8d93fcc81e'
down_revision = 'b0d31815b5a6'
branch_labels = None
depends_on = None
airflow_version = '2.5.0'
def upgrade():
"""Apply add updated_at column to DagRun and TaskInstance"""
with op.batch_alter_table('task_instance') as batch_op:
batch_op.add_column(sa.Column('updated_at', TIMESTAMP, default=sa.func.now))
with op.batch_alter_table('dag_run') as batch_op:
batch_op.add_column(sa.Column('updated_at', TIMESTAMP, default=sa.func.now))
def downgrade():
"""Unapply add updated_at column to DagRun and TaskInstance"""
with op.batch_alter_table('task_instance') as batch_op:
batch_op.drop_column('updated_at')
with op.batch_alter_table('dag_run') as batch_op:
batch_op.drop_column('updated_at')
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